Radial stator, magnetic levitation bearing, installation method, and motor

A radial stator, comprising a stator core, wherein:

• the stator core comprises a stator outer ring;
• M magnetic poles are arranged on an inner circumferential wall of the stator outer ring, and are evenly distributed along the inner circumferential wall of the stator outer ring;
• the M magnetic poles comprise M1 magnetic poles arranged along the inner circumferential wall of the stator outer ring and M2 magnetic poles arranged along the inner circumferential wall of the stator outer ring;
• M≥2, M1≥1, and M2≤1;
• the M1 magnetic poles and the M2 magnetic poles are arranged on two sides of the stator outer ring with respect to a radial direction thereof, respectively;
• each of the M1 magnetic poles is provided with a first winding;
• and each of the M2 magnetic poles is provided with a second winding;
• a coil turn N1 of the first winding is greater or less than a coil turn N2 of the second winding;
• in an installed state:
• the M2 magnetic poles are disposed above the M1 magnetic poles, and the coil turn N1 of the first winding is less than the coil turn N2 of the second winding;
• and
• a following relationship is satisfied:
• N
• 1
• N
• 2
• =
• a
• a
• +
• 1
• ;
• wherein a range of α is:
• 0.1<α<10.